Is the force that is actually needed to lift the stopper
A rubber stopper covers the drain in your bathtub. Estimate the force that the water exerts on the stopper. List all assumptions and show all calculations. Is this the force that is actually needed to lift the stopper? Explain
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A test charge of 3.10 µC is placed 6.10 cm away from a large flat uniformly charged nonconducting surface. The force on the charge is 290 N. The charge is now moved to 4.10 cm away from the surface. What is the force on the test charge now?
Heights of men on a baseball team have a bell shaped distribution with a mean of 183 cm and a standard deviation of 5 cm. Using the Empirical rule, what is the approximate percentage of the men between the following values?
4-lbm of water at 400 psia initially fills the 2.5-ft3 left chamber of a partitioned system. Determine the final pressure of water, in psia, and the total internal energy, in Btu, at the final state.
Height of the helicopter above ground given by h=2.90t^3. At t=1.90s the helicopter releases a bag. How long does it take for the bag to reach the ground?
List all assumptions and show all calculations. Is this the force that is actually needed to lift the stopper? Explain.
A monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for another vine 23.4 meters away horizontally and the other vine is 10.2 meters above the monkey. If he is moving at 45 degrees when he
Calculate the specific weight in lbf/ft^3 on Earth and on the moon. Acceleration of gravity on the moon is 5.47 ft/s^2.
Determine, the potential along the x axis at x = 0.769 m between wire and sheet.
A certain segment of the sky contains Z starts. Each star is either a red giant with probability 1/3 or a white dwarf with probability 2/3, independently from the other stars.
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